Ultimately,Tilford says, the Greek problem reflects a world economic problem.

VOA: standard.2010.02.26

Wild animals are considered a top problem for the physical and economic security of rural populations in Africa.

VOA: special.2010.07.27

In his weekly Internet address, President Obama said the economic recession has added to the problem.

VOA: standard.2009.09.05

"So,this kind of cyclical problem of displacement is extremely unsettling for the population and limits the possibility for the population to reinvest in economic activities such as agriculture,commerce and so on and so forth,".

VOA: standard.2009.09.25